In this post, you’ll learn more about the Oracle ErrorINS-06002: Authentication failed. with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
INS-06002: Authentication failed.
Reason for the Error INS-06002: Authentication failed.
Cause: Failed to login into the selected nodes.
How to fix the Error INS-06002: Authentication failed. ?
You can fix this error in Oracle by following the below steps
Action: Check shared unix password. Locked accounts or accounts with no password are not supported. Contact Administrator or refer logs for more details.